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King-Gage ES2 Installation And Operation Instruction Manual

Liquid level transmitter
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Effective: April 2007 (Replaces January 2007)
KING-GAGE
4-20 mA Liquid Level Transmitter
ES2
Liquid Level Transmitter
Installation and Operation
Instructions
KING
E N G I N E E R I N G
®
C O R P O R A T I O N
Since 1937
®
Box 1228, Ann Arbor, Michigan 48106-1228 U.S.A.
3201 South State Street, Ann Arbor, Michigan 48108-1625 U.S.A.
Phone: (734) 662-5691 • FAX: (734) 662-6652 • www.king-gage.com
EX-1834

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  • Page 1 3201 South State Street, Ann Arbor, Michigan 48108-1625 U.S.A. E N G I N E E R I N G ® C O R P O R A T I O N Since 1937 Phone: (734) 662-5691 • FAX: (734) 662-6652 • www.king-gage.com...

  • Page 2: Specifications

    Electronic Liquid Level Transmitter EX-1834 Specifications Pressure Ranges 0-5, 0-10, 0-15, 0-30, 0-50 psig (Gage pressure measured relative to ambient atmospheric pressure) Accuracy Less than ± 0.20% FS © 2007 King Engineering Corporation. Includes linearity, hysteresis, All rights reserved. non- repeatability errors. The information contained in this manual was accurate at Pressure Media the time of release.
  • Page 3 Accuracy, Repeatability ..................Page 2 Span Adjustment Ranges ..................Page 2 Electrical input/output ................... Page 2 Temperature Range ....................Page 2 ES2 Transmitter Models Mounting Dimensions ..................Page 5-6 Signal Connections Voltage/Load Capacity ..................Page 8 Signal Cable ......................Page 8 Signal (4-20 mA) connections ................

  • Page 4: Level Transmitter

    KING-GAGE ES2 Level Transmitter Two-wire sensor/transmitter provides a direct 4-20 mAdc analog electronic output signal. The ES2 transmitter is designed specifically for hydrostatic pressure measurement for liquid level gauging. Range Designation The last two digits of the model number actually refer to the transmitter range.

  • Page 5: Mounting Dimensions

    Electronic Liquid Level Transmitter EX-1834 Mounting Dimensions The ES2 Transmitter incorporates all associated user con- Allow adequate clearance for installation and removal of nections and adjustments within its integral stainless steel the transmitter. Clearance dimensions will vary depending housing. The outlet connector boss is 1/2 NPT and furnished upon type of cable/conduit connector used.
  • Page 6 Dia. 121 mm 5.5 in. Overall 140 mm Overall 1/2 in. NPT Previous product version with cord grip fitting. ES2 Transmitter shown with M12 plug-in field wiring connector (See page 9) 4.33 in. 110 mm KING-GAGE ® 2.96 in. Electronic...
  • Page 7 4-20 mA Sensor Sensing Diaphragm ® K IN G IN R IN Molded A TI Cable Connector le c R es Tank Shell (Receiver) ES2 Liquid Level Transmitter with Remote Junction Enclosure (typical system with tank level indicator) Page 7...

  • Page 8: Power Requirement

    Electronic Liquid Level Transmitter EX-1834 Power Requirement The ES2 transmitter requires a source of DC power for op- eration. Minimum excitation voltage must be no less than 4-20 mA 14 Vdc. Any receiver installed on the signal loop (meters, data loggers, controllers, etc.) must be taken into account when determining the required power supply voltage to be used.
  • Page 9 1/2 turn. Pin 2: - Signal Plug completed connector assembly into the external 4-20 mA receptacle on ES2 housing (it is keyed for proper orien- tation). Hand-tighten the stainless steel connector nut onto the receptacle. Pin 1: + Signal...
  • Page 10 “- 4-20 mA +” (they are designed to easily accept the clip type leads used with a NOTE: Older versions of the ES2 transmitter were not sup- handheld meter). plied with the external M12 plug connector described in ZERO ADJUST the previous section.
  • Page 11 It is possible to make adjustments to the zero setting while and span output settings. It is generally recommended the ES2 transmitter is installed at the tank. The meter terminal that the zero output be checked at least every 12 months.
  • Page 12 Electronic Liquid Level Transmitter EX-1834 ES2 Range Adjustment DIP Switch Settings The ES2 transmitter span can be adjusted from 70% to 140% of the nominal range indicated by the model num- DIP Switch ber. (Refer to Model No. Designation on page 3.) This is how the transmitter’s pressure range can be changed for a...
  • Page 13 Coarse Range Setting – Alternate Version Now, using the calculated tank pressure from above, the Previous versions of the ES2 transmitter employ similar actual milliamp value at full can be determined: DIP switches, but only offer 5 increments of coarse ad- justment.

  • Page 14: Service Parts & Replacement

    Electronic Liquid Level Transmitter EX-1834 Service Parts & Replacement O-Ring Seals The outer O-ring at the head of the sensing element forms the critical seal at the tank mounting and should be replaced if there are signs of physical damage (such as a cut). If re- placement seal is needed, refer to the part number called out in the illustration.
  • Page 15 Electronic Liquid Level Transmitter EX-1834 This Page Intentionally Left Blank Page 15...
  • Page 16 Since 1937 C O R P O R A T I O N 3201 South State St, Ann Arbor, Michigan 48108-1625 U.S.A. PO Box 1228, Ann Arbor, Michigan 48106-1228 U.S.A. Phone: (734) 662-5691 • FAX: (734) 662-6652 www.king-gage.com Page 16 EX-1834e.PDF...

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